[iOS基础控件

 

1.主控制器：

//
//  ViewController.m
//  GroupPurchase
//
//  Created by hellovoidworld on 14/12/3.
//  Copyright (c) 2014年 hellovoidworld. All rights reserved.
//

#import "ViewController.h"
#import "GroupPurchase.h"
#import "GroupPurchaseCell.h"
#import "FooterRefreshView.h"
#import "HeaderAdView.h"


@interface ViewController () <FooterRefreshViewDelegate>

@property(nonatomic, strong) NSArray *groupPurchases;

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
   
    // 创建尾部控件
    FooterRefreshView *footerView = [FooterRefreshView footerRrefreshViewWithDelegate:self];
   
    // 设置尾部控件
    self.tableView.tableFooterView = footerView;
   
   
    //设置头部广告
    HeaderAdView *adView = [self genAdView]; // 手动拼装广告图片数据
    self.tableView.tableHeaderView = adView;
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

#pragma mark - 状态栏
- (BOOL)prefersStatusBarHidden {
    return YES;
}


#pragma mark - 数据方法
/** 延迟数据加载到model */
- (NSArray *) groupPurchases {
    if (nil == _groupPurchases) {
        NSArray *dictArray = [NSArray arrayWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"tgs.plist" ofType:nil]];
       
        NSMutableArray *mdictArray = [NSMutableArray array];
        for (NSDictionary *dict in dictArray) {
            GroupPurchase *groupPurchase = [GroupPurchase groupPurchaseWithDictionary:dict];
            [mdictArray addObject:groupPurchase];
        }
       
        _groupPurchases = mdictArray;
    }
   
    return _groupPurchases;
}

/** section数 */
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
    return 1;
}

/** 行数 */
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    return self.groupPurchases.count;
}

/** 内容 */
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
   
    // 1.创建cell
    GroupPurchaseCell *cell = [GroupPurchaseCell groupPurchaseCellWithTableView:self.tableView];

    // 2.给cell传递model数据
    cell.groupPurchase = self.groupPurchases[indexPath.row];
   
    return cell;
}

/** 行高 */
- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
    return 80;
}

/** 实现FooterRefreshViewDelegate协议 */
- (void)footerRefreshViewClickedFooterRefreshButton:(FooterRefreshView *)footerRefreshView {
    //增加团购记录
    GroupPurchase *groupPurchase = [GroupPurchase groupPurchase];
    groupPurchase.icon = @"M2Mini.jpg";
    groupPurchase.title = @"增加用例";
    groupPurchase.price = @"88";
    groupPurchase.buyCount = @"32";
   
    // 加入新数据
    NSMutableArray *marray = [NSMutableArray arrayWithArray:self.groupPurchases];
    [marray addObject:groupPurchase];
    self.groupPurchases = marray;
   
    // 刷新数据
    [self.tableView reloadData];
}

// 配置一些头部广告的数据
- (HeaderAdView *) genAdView {
    HeaderAdView *adView = [HeaderAdView headerAdView];
   
    NSMutableArray *adImages = [NSMutableArray array];
    for (int i=0; i<5; i++) {
        [adImages addObject:[NSString stringWithFormat:@"ad_%02d", i]];
    }
   
    adView.ads = adImages;
   
    return adView;
}

@end

 

2.自定义cell

 

//
//  GroupPurchaseCell.m
//  GroupPurchase
//
//  Created by hellovoidworld on 14/12/3.
//  Copyright (c) 2014年 hellovoidworld. All rights reserved.
//

#import "GroupPurchaseCell.h"
#import "GroupPurchase.h"

@implementation GroupPurchaseCell

// 界面被初始化的时候调用 awakeFromNib
- (void)awakeFromNib {
    // Initialization code
}

- (void)setSelected:(BOOL)selected animated:(BOOL)animated {
    [super setSelected:selected animated:animated];

    // Configure the view for the selected state
}

/** 自定初始化的类方法，传入model数据 */
+ (instancetype) groupPurchaseCellWithTableView:(UITableView *) tableView {
   
    static NSString *ID = @"groupPurchase";
   
    // 从缓存池寻找
    GroupPurchaseCell *cell = [tableView dequeueReusableCellWithIdentifier:ID];
   
    // 若缓存池没有，则创建一个
    if (nil == cell) {
        cell = [[[NSBundle mainBundle] loadNibNamed:@"GroupPurchaseCell" owner:nil options:nil] lastObject];
    }
   
    return cell;
}

/** 加载Model数据，初始化界面 */
- (void) setGroupPurchase:(GroupPurchase *) groupPurchase {
    if (nil != groupPurchase) {
        self.titleLabel.text = groupPurchase.title;
        self.iconImageView.image = [UIImage imageNamed:groupPurchase.icon];
        self.priceLabel.text = [NSString stringWithFormat:@"￥%@", groupPurchase.price];
        self.buyCountLabel.text = [NSString stringWithFormat:@"%@人已经购买", groupPurchase.buyCount];
    }
   
    _groupPurchase = groupPurchase;
}

@end
 

 

3.底部加载按钮

 

//
//  FooterRefreshView.h
//  GroupPurchase
//
//  Created by hellovoidworld on 14/12/3.
//  Copyright (c) 2014年 hellovoidworld. All rights reserved.
//

#import <UIKit/UIKit.h>

@class FooterRefreshView;

// 定义delegate协议
@protocol FooterRefreshViewDelegate <NSObject>

@optional
- (void) footerRefreshViewClickedFooterRefreshButton:(FooterRefreshView *) footerRefreshView;

@end

@interface FooterRefreshView : UIView

// 带代理的初始化方法
+ (instancetype) footerRrefreshViewWithDelegate:(id<FooterRefreshViewDelegate>) delegate;

@end

//
//  FooterRefreshView.m
//  GroupPurchase
//
//  Created by hellovoidworld on 14/12/3.
//  Copyright (c) 2014年 hellovoidworld. All rights reserved.
//

#import "FooterRefreshView.h"

@interface FooterRefreshView()
/** 底部的“加载更多”按钮 */
@property (weak, nonatomic) IBOutlet UIButton *footerRefreshButton;

/** 加载动画图标 */
@property (weak, nonatomic) IBOutlet UIActivityIndicatorView *loadingImage;

/** 代理 */
@property(nonatomic, weak) id<FooterRefreshViewDelegate> delegate;

/** “加载更多”按钮点击事件 */
- (IBAction)onFooterRefreshButtonClicked;


@end

@implementation FooterRefreshView

#pragma mark - 初始化

/** 初始化方法 */
+ (instancetype) footerRrefreshViewWithDelegate:(id<FooterRefreshViewDelegate>) delegate {
    FooterRefreshView *footerRefreshView = [[[NSBundle mainBundle] loadNibNamed:@"FooterRefreshView" owner:nil options:nil] lastObject];
   
    if (nil != delegate) {
        footerRefreshView.delegate = delegate;
    }
   
    return footerRefreshView;
}

// xib控件的初始化调用方法
- (void)awakeFromNib {
    self.loadingImage.hidden = YES;
}


#pragma mark - action
/** “加载更多”按钮点击事件 */
- (IBAction)onFooterRefreshButtonClicked {
    NSString *footerButtonTitle = self.footerRefreshButton.currentTitle;
   
    // 显示正在加载
    self.loadingImage.hidden = NO;
    [self.footerRefreshButton setTitle:@"拼命加载中..." forState:UIControlStateNormal];
   
    // 暂时禁止按钮事件
    self.footerRefreshButton.userInteractionEnabled = NO;
   
    // 模拟延迟
    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(1.0 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
        // 通知代理发生了点击事件
        if ([self.delegate respondsToSelector:@selector(footerRefreshViewClickedFooterRefreshButton:)]) {
            [self.delegate footerRefreshViewClickedFooterRefreshButton:self];
        }
       
        // 恢复按钮状态
        self.footerRefreshButton.userInteractionEnabled = YES;
        self.loadingImage.hidden = YES;
        [self.footerRefreshButton setTitle:footerButtonTitle forState:UIControlStateNormal];
    });

}

@end

 

4.头部广告

 

//
//  HeaderAdView.h
//  GroupPurchase
//
//  Created by hellovoidworld on 14/12/3.
//  Copyright (c) 2014年 hellovoidworld. All rights reserved.
//

#import <UIKit/UIKit.h>

@interface HeaderAdView : UIView
// 广告组
@property(nonatomic, strong) NSArray *ads;

+ (instancetype) headerAdView;

@end

 

//
//  HeaderAdView.m
//  GroupPurchase
//
//  Created by hellovoidworld on 14/12/3.
//  Copyright (c) 2014年 hellovoidworld. All rights reserved.
//

#import "HeaderAdView.h"

#define AD_VIEW_WIDTH 300
#define AD_VIEW_HEIGHT 120

// 遵守UIScrollViewDelegate监控滚动事件
@interface HeaderAdView() <UIScrollViewDelegate>

/** scrollView控件 */
@property (weak, nonatomic) IBOutlet UIScrollView *scrollView;

/** 页码 */
@property (weak, nonatomic) IBOutlet UIPageControl *pageControl;

/** 计时器 */
@property(nonatomic, weak) NSTimer *timer;

@end

@implementation HeaderAdView

#pragma mark - 初始化方法
// 初始化headerAdView
+ (instancetype) headerAdView {
    return [[[NSBundle mainBundle] loadNibNamed:@"HeaderAdView" owner:nil options:nil] lastObject];
}

// 当控件从nib初始化
- (void)awakeFromNib {
    self.scrollView.scrollEnabled = YES; // 开启滚动
    self.scrollView.pagingEnabled = YES; // 开启翻页模式
    self.scrollView.delegate = self;// 设置代理
}

/** 设置ads */
- (void) setAds:(NSArray *)ads {
    if (nil != ads) {
        CGFloat adImageWidth = AD_VIEW_WIDTH;
        CGFloat adImageHeight = AD_VIEW_HEIGHT;
        CGFloat adImageY = 0;
       
        for (int i=0; i<ads.count; i++) {
            // 计算当前图片的水平坐标
            CGFloat adImageX = i * adImageWidth;
           
            UIImageView *adImageView = [[UIImageView alloc] initWithFrame:CGRectMake(adImageX, adImageY, adImageWidth, adImageHeight)];
            adImageView.image = [UIImage imageNamed:[NSString stringWithFormat:@"%@", ads[i]]];
        
            [self.scrollView addSubview:adImageView];
        }
       
        // 设置滚动范围
        self.scrollView.contentSize = CGSizeMake(ads.count * AD_VIEW_WIDTH, 0);
       
        self.pageControl.numberOfPages = ads.count; // 总页数
        self.pageControl.pageIndicatorTintColor = [UIColor blackColor]; // 其他页码颜色
        self.pageControl.currentPageIndicatorTintColor = [UIColor redColor]; // 当前页码颜色
       
        // 添加自动轮播
        [self addTimer];
    }
   
    _ads = ads;
}

#pragma mark - 滚动事件
// 滚动动作监控，当滚动超过图片的一半的时候转变页码
- (void)scrollViewDidScroll:(UIScrollView *)scrollView {
    CGFloat scrollViewWidth = self.scrollView.frame.size.width;
    int page = (self.scrollView.contentOffset.x + 0.5 * scrollViewWidth) / scrollViewWidth;
    self.pageControl.currentPage = page;
}

// 手动拖动广告图片轮播的时候，暂时销毁自动轮播器
- (void)scrollViewWillBeginDragging:(UIScrollView *)scrollView {
    [self.timer invalidate];
    self.timer = nil;
}

// 手动拖动结束，从新加上自动轮播器
- (void)scrollViewWillEndDragging:(UIScrollView *)scrollView withVelocity:(CGPoint)velocity targetContentOffset:(inout CGPoint *)targetContentOffset {
    [self addTimer];
}

// 添加计时器
- (void) addTimer {
    self.timer = [NSTimer scheduledTimerWithTimeInterval:2.0 target:self selector:@selector(nextImage) userInfo:nil repeats:YES];
   
    // 计时器分享主线程资源
    [[NSRunLoop currentRunLoop] addTimer:self.timer forMode:NSRunLoopCommonModes];
}

// 下一张图片动作
- (void) nextImage {
    int page = 0;
    // 如果是当前页码在最后一页，从新回到第一页
    if (self.pageControl.currentPage == self.ads.count - 1) {
        page = 0;
    }
    else {
        page = self.pageControl.currentPage + 1;
    }
   
    // 滚动图片，带动画效果
    [self.scrollView setContentOffset:CGPointMake(page * AD_VIEW_WIDTH, 0) animated:YES];
}
@end

 

5.model

//
//  GroupPurchase.h
//  GroupPurchase
//
//  Created by hellovoidworld on 14/12/3.
//  Copyright (c) 2014年 hellovoidworld. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface GroupPurchase : NSObject

/** 图片 */
@property(nonatomic, copy) NSString *icon;

/** 标题 */
@property(nonatomic, copy) NSString *title;

/** 已经购买人数 */
@property(nonatomic, copy) NSString *buyCount;

/** 价格 */
@property(nonatomic, copy) NSString *price;

//初始化方法
- (instancetype) initWithDictionary:(NSDictionary *) dictionary;
+ (instancetype) groupPurchaseWithDictionary:(NSDictionary *) dictionary;
+ (instancetype) groupPurchase;

@end

 

//
//  GroupPurchase.m
//  GroupPurchase
//
//  Created by hellovoidworld on 14/12/3.
//  Copyright (c) 2014年 hellovoidworld. All rights reserved.
//

#import "GroupPurchase.h"

@implementation GroupPurchase

//初始化方法
- (instancetype) initWithDictionary:(NSDictionary *) dictionary
{
    if (self = [super init]) {
        // 使用KVC
        [self setValuesForKeysWithDictionary:dictionary];
    }
   
    return self;
}

+ (instancetype) groupPurchaseWithDictionary:(NSDictionary *) dictionary {
    return [[self alloc] initWithDictionary:dictionary];
}

+ (instancetype) groupPurchase {
    return [self groupPurchaseWithDictionary:nil];
}

@end

 

6.plist文件结构